A supermarket needs to develop software to encourage regular customers. For this, the customer needs to supply his name, address, telephone number and driving license number. A customer is assigned a unique customer number (CN) by the computer. When a customer makes a purchase, the value of the purchase is credited against his CN. At the end of each year, surprise gifts to 10 customers who have made the highest purchase is given. In addition, a 22 carat gold coin is given to every customer who has made a purchase over 10,000. The entries are reset on the last day of the year. Draw the DFD context & level one diagram

EBK JAVA PROGRAMMING
9th Edition
ISBN:9781337671385
Author:FARRELL
Publisher:FARRELL
Chapter5: Making Decisions
Section: Chapter Questions
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A supermarket needs to develop software to encourage regular customers. For this,
the customer needs to supply his name, address, telephone number and driving
license number. A customer is assigned a unique customer number (CN) by the
computer. When a customer makes a purchase, the value of the purchase is credited
against his CN. At the end of each year, surprise gifts to 10 customers who have
made the highest purchase is given. In addition, a 22 carat gold coin is given to
every customer who has made a purchase over 10,000. The entries are reset on the
last day of the year.
Draw the DFD context & level one diagram

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